【ADVANTAGE】Convert for Milwaukee 18V battery to Dewalt 20V Max battery, reuse for your old Milwaukee 18V batteries and save your money on new 20V batteries for Dewalt. 【FULL COMPATIBILITY】Battery converter are fully compatible for Milwaukee 18V lithium battery 48-11-1811, 48-11-1815, 48-11-1820, 48-11-1822, 48-11-1828, 48-11-1840, 48-11-1841, 48-11-1850, 48-11-1852 and etc. 【WIDE APPLICATION】Use this battery adapter to convert for Milwaukee M18 battery to Dewalt 20V battery, replace for Dewalt 20V battery DCB200 DCB201 DCB203 DCB204 DCB206 DCB207 DCB609 and etc. 【NOTE】Adapter can’t be used into any chargers, please remove the adapter when recharge the battery. 【WHAT YOU GET】1 x battery adapter, and come with a 12 months product warranty to ensure your worry-free purchase. Please feel free to contact us if any concerns about this product. KUNLUN MIL18DL Battery Converter for Milwaukee to Dewalt Battery Adapter, Convert for Milwaukee M18 18V Battery to Dewalt 20V Battery for Dewalt Cordless Tools(Bare Adapter Only)